Garrett Matthias, 5, was a mischievous, humorous little boy who always put smiles on the faces of his family and friends at the hospital where he received cancer treatments. When his battle with the disease came to an end in the summer of 2018, his family published an obituary that Matthias himself had written. It was, of course, full of his iconic silliness and wit. That obituary later became the inspiration for a children's book titled after one of Matthias' own quotes: "Dirty, Stupid, Cancer!" His family is hoping the book will encourage other children battling cancer to never give up their fight.Watch the video above to learn more about Matthias and the children's book that is sharing his unforgettable story.

Garrett Matthias, 5, was a mischievous, humorous little boy who always put smiles on the faces of his family and friends at the hospital where he received cancer treatments. When his battle with the disease came to an end in the summer of 2018, his family published an obituary that Matthias himself had written. It was, of course, full of his iconic silliness and wit. That obituary later became the inspiration for a children's book titled after one of Matthias' own quotes: "Dirty, Stupid, Cancer!" His family is hoping the book will encourage other children battling cancer to never give up their fight.

Watch the video above to learn more about Matthias and the children's book that is sharing his unforgettable story.